Accounts Payable and Accrued Expenses

6 Months Ended

Jun. 30, 2013

Accounts Payable and Accrued Expenses

Accounts Payable and Accrued Expenses

5. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	June 30,		December 31,
	2013		2012
Accrued research and development costs	$	2,896,668	$	972,218
Accrued compensation	424,533		100,000
Accrued professional fees	548,258		4,024,234
Other liabilities	303,264		404,283
Total	$	4,172,723	$	5,500,735